Tauschia vaginata (Coult. & Rose) Coult. & Rose

Arracacia vaginata Cotilt. & Rose, Contr. U. S. Nat Herb. 3:297. 1895.
Tauschia vaginata Coult. & Rose, Proc. Wash. Acad. 1: 137. 1900.
Stout, caulescent, branching, 3-9 dm. high, the foliage and inflorescence puberulent; leaves oblong to oval in general outline, excluding the petioles 1-2 dm. long, 5-6 (or 18) cm. broad, pinnate to partially 2-pinnate, the leaflets ovate, obtuse at the apex, cuneate at the base, mostly distinct, sessile or petiolulate, 1.5-4 cm. long, 1-2 cm. broad, shallowly lobed or incised, with short, mucronate lobes, scaberulous on the veins and margins beneath; petioles slender, 15-30 cm. long, short-sheathing at the base; cauline leaves like the basal, 1-2-ternate with narrow sheaths; inflorescence branched, the peduncles 5-25 cm. long, puberulent beneath the umbel; involucre wanting; involucel of several linear, entire bractlets, 2-6 mm. long, exceeding or equaling the flowers but shorter than the fruit; fertile rays 4-8, stout, spreading-ascending, unequal, 1-3 cm. long, puberulent; pedicels spreading-ascending, 1-5 mm. long, puberulent; flowers white to yellow, the petals oblanceolate; stylopodium indistinct and depressed, the styles slender, spreading; carpophore 2-cleft to the base, rigid, the halves notched at the apex; fruit ovoid, 6-7 mm. long, 3-4 mm. broad, glabrous, tapering into a short beak at the apex, the ribs prominent, acute; oil-tubes small, solitary in the intervals, 2 on the commissure; seed channeled under the tubes, the face deeply sulcate.
Type locality: "In borders of woodlands," Sierra de Clavellinas, Oaxaca, Pringle 6008. Distribution: Michoacan to Oaxaca (Leavenworth 268, 381).

Tauschia vaginata là một loài thực vật có hoa trong họ Hoa tán. Loài này được (J.M.Coult. & Rose) J.M.Coult. & Rose miêu tả khoa học đầu tiên năm 1900.